<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        @keyframes move {
            from {
                transform: translate(0,0);
            }

            to {
                transform: translate(1000px, 0);
            }
        }
        div{
            width: 100px;
            height: 100px;
            background-color: pink;
            /* 简写: 动画名称 持续时间 匀速曲线 何时开始 播放次数 是否反方向 */
            -webkit-animation: move 4s linear 0s  infinite alternate; 
        }
    </style>
</head>

<body>
    <div></div>
</body>

</html>